Unlocking an Audio Vox SMT 5600 phone

April 08, 2006 @ 7:52 pm

I just switched my phone plan to get a new Windows Mobile 5.0 phone for some development work I'm starting next week. I went got my plan changed when they realized they were out of the phone in one of the stores. Arrrgh. So Cingular turned off my AT&T based phone today and left me with a Cingular CIM card. I'm going to have to wait a couple of days for the phone to come in. So in the meantime there was the potential of no cell service. Grrr… and this of course after I explicitly asked whether they had the phone in stock. Those bastards… <g>

Since I'm getting a new phone my existing SMT 5600 needs to get unlocked anyway and so I finally got around to doing this today finally with free information on this site on Erik Selberg's WebLog:

http://www.selberg.org/2005/07/22/unlock-an-audiovox-5600-for-free/

I had a couple of false starts with these instructions mainly because the phone wasn't refreshing the start menu to set security properly, but after a couple of tries and following the instruction EXACTLY, I did manage to get the phone unlocked. If you're running these steps make sure you run the short cut from the start menu and don't run the configuration files directly from the Temp directory of the phone.

Anyway, I'm a happy camper with the phone running on Cingular now. If anybody's interested in an SMT 5600 drop me a line.

I'm waiting for the Cingular 2152 which is a newer version of the SMT 5600 it looks like that runs under Windows Mobile 5.0. One big thing I'm looking forward to is that the phone doubles the amount of memory available which was one shortcoming of the SMT 5600 – running .NET apps on the phone regularily would run the phone out of memory. I'm hoping that will be a thing of the past although I'm sure installing .NET 2.0 runtime on the phone will probably split the difference.

Feedback for this Weblog Entry

re: Unlocking an Audio Vox SMT 5600 phone
by Shannon J Hager April 09, 2006 @ 4:43 pm

I was under the impression that AT&T's SMT-5600 was unlocked right out of the box. Mine was.

I switched to the Cingular 2125 a couple months ago and it (almost completely) fixes the memory problems you are oh so used to (like not being able to take a photo while listening to music).

For the first couple weeks, I was pleasantly surprised almost every time I used the 2125 because it seems as if they slightly changed/fixed almost EVERY SINGLE THING about the phone. From scrolling through contacts to "tools > send URL via Email" option in IE to how the menus work to dialing numbers to the call history, EVERYTHING has been incrementally improved.

re: Unlocking an Audio Vox SMT 5600 phone
by cw April 21, 2006 @ 11:34 am

i couldn't get this to work on my att smt 5600

re: Unlocking an Audio Vox SMT 5600 phone
by Lane June 04, 2006 @ 4:28 pm

I have tried Erik's instructions, but I have not been able to get past the unlock window screen to get to the shortcut menus. Does anyone have a suggestion? Thanks!

re: Unlocking an Audio Vox SMT 5600 phone
by Rick Strahl June 04, 2006 @ 6:40 pm

Go really carefully through the instructions and follow them EXACTLY. I also had issues the first time through and it took me a second pass to make it work because I apparently missed something on the first step.

If that fails, look through the comments on the link provided and in the last resort post a question there with detail on what didn't work.

re: Unlocking an Audio Vox SMT 5600 phone
by neefs July 22, 2006 @ 11:17 pm

well i have a smt 5600 but i didnt get it with att or cingular i want to use it with tmobile and so i want to unlock it, because i dont have att i cant get into the phone and i cant get the iem # but how about the one on the bac of the battery i have the spv and i cant get into the phone so i would like to know where can i find the code to get it unlocked

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